Developed in 1949 and intended as state-of-the-art science equipment, the first Nalgene bottles were created as indestructible, leak-proof storage containers for laboratory use. Their multi-functional design and durability soon expanded their applications to outdoor lifestyle when scientists began using the smaller bottles on hikes and camping trips. This classic 32oz narrow-mouth style in Clear is made from recyclable BPA-free plastic, customized with our "HYDRATE" graphic.